include/functions.php

   1 <?php
   2         define('EXPECTED_CONFIG_VERSION', 26);
   3         define('SCHEMA_VERSION', 130);
   4
   5         define('LABEL_BASE_INDEX', -1024);
   6         define('PLUGIN_FEED_BASE_INDEX', -128);
   7
   8         define('COOKIE_LIFETIME_LONG', 86400*365);
   9
  10         $fetch_last_error = false;
  11         $fetch_last_error_code = false;
  12         $fetch_last_content_type = false;
  13         $fetch_last_error_content = false; // curl only for the time being
  14         $fetch_curl_used = false;
  15         $suppress_debugging = false;
  16
  17         libxml_disable_entity_loader(true);
  18
  19         // separate test because this is included before sanity checks
  20         if (function_exists("mb_internal_encoding")) mb_internal_encoding("UTF-8");
  21
  22         date_default_timezone_set('UTC');
  23         if (defined('E_DEPRECATED')) {
  24                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
  25         } else {
  26                 error_reporting(E_ALL & ~E_NOTICE);
  27         }
  28
  29         require_once 'config.php';
  30
  31         /**
  32          * Define a constant if not already defined
  33          *
  34          * @param string $name The constant name.
  35          * @param mixed $value The constant value.
  36          * @access public
  37          * @return boolean True if defined successfully or not.
  38          */
  39         function define_default($name, $value) {
  40                 defined($name) or define($name, $value);
  41         }
  42
  43         ///// Some defaults that you can override in config.php //////
  44
  45         define_default('FEED_FETCH_TIMEOUT', 45);
  46         // How may seconds to wait for response when requesting feed from a site
  47         define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
  48         // How may seconds to wait for response when requesting feed from a
  49         // site when that feed wasn't cached before
  50         define_default('FILE_FETCH_TIMEOUT', 45);
  51         // Default timeout when fetching files from remote sites
  52         define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
  53         // How many seconds to wait for initial response from website when
  54         // fetching files from remote sites
  55
  56         if (DB_TYPE == "pgsql") {
  57                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  58         } else {
  59                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  60         }
  61
  62         /**
  63          * Return available translations names.
  64          *
  65          * @access public
  66          * @return array A array of available translations.
  67          */
  68         function get_translations() {
  69                 $tr = array(
  70                                         "auto"  => "Detect automatically",
  71                                         "ar_SA" => "العربيّة (Arabic)",
  72                                         "bg_BG" => "Bulgarian",
  73                                         "da_DA" => "Dansk",
  74                                         "ca_CA" => "Català",
  75                                         "cs_CZ" => "Česky",
  76                                         "en_US" => "English",
  77                                         "el_GR" => "Ελληνικά",
  78                                         "es_ES" => "Español (España)",
  79                                         "es_LA" => "Español",
  80                                         "de_DE" => "Deutsch",
  81                                         "fr_FR" => "Français",
  82                                         "hu_HU" => "Magyar (Hungarian)",
  83                                         "it_IT" => "Italiano",
  84                                         "ja_JP" => "日本語 (Japanese)",
  85                                         "lv_LV" => "Latviešu",
  86                                         "nb_NO" => "Norwegian bokmål",
  87                                         "nl_NL" => "Dutch",
  88                                         "pl_PL" => "Polski",
  89                                         "ru_RU" => "Русский",
  90                                         "pt_BR" => "Portuguese/Brazil",
  91                                         "pt_PT" => "Portuguese/Portugal",
  92                                         "zh_CN" => "Simplified Chinese",
  93                                         "zh_TW" => "Traditional Chinese",
  94                                         "sv_SE" => "Svenska",
  95                                         "fi_FI" => "Suomi",
  96                                         "tr_TR" => "Türkçe");
  97
  98                 return $tr;
  99         }
 100
 101         require_once "lib/accept-to-gettext.php";
 102         require_once "lib/gettext/gettext.inc";
 103
 104         function startup_gettext() {
 105
 106                 # Get locale from Accept-Language header
 107                 $lang = al2gt(array_keys(get_translations()), "text/html");
 108
 109                 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
 110                         $lang = _TRANSLATION_OVERRIDE_DEFAULT;
 111                 }
 112
 113                 if ($_SESSION["uid"] && get_schema_version() >= 120) {
 114                         $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
 115
 116                         if ($pref_lang && $pref_lang != 'auto') {
 117                                 $lang = $pref_lang;
 118                         }
 119                 }
 120
 121                 if ($lang) {
 122                         if (defined('LC_MESSAGES')) {
 123                                 _setlocale(LC_MESSAGES, $lang);
 124                         } else if (defined('LC_ALL')) {
 125                                 _setlocale(LC_ALL, $lang);
 126                         }
 127
 128                         _bindtextdomain("messages", "locale");
 129
 130                         _textdomain("messages");
 131                         _bind_textdomain_codeset("messages", "UTF-8");
 132                 }
 133         }
 134
 135         require_once 'db-prefs.php';
 136         require_once 'version.php';
 137         require_once 'ccache.php';
 138         require_once 'labels.php';
 139
 140         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 141         ini_set('user_agent', SELF_USER_AGENT);
 142
 143         require_once 'lib/pubsubhubbub/publisher.php';
 144
 145         $schema_version = false;
 146
 147         function _debug_suppress($suppress) {
 148                 global $suppress_debugging;
 149
 150                 $suppress_debugging = $suppress;
 151         }
 152
 153         /**
 154          * Print a timestamped debug message.
 155          *
 156          * @param string $msg The debug message.
 157          * @return void
 158          */
 159         function _debug($msg, $show = true) {
 160                 global $suppress_debugging;
 161
 162                 //echo "[$suppress_debugging] $msg $show\n";
 163
 164                 if ($suppress_debugging) return false;
 165
 166                 $ts = strftime("%H:%M:%S", time());
 167                 if (function_exists('posix_getpid')) {
 168                         $ts = "$ts/" . posix_getpid();
 169                 }
 170
 171                 if ($show && !(defined('QUIET') && QUIET)) {
 172                         print "[$ts] $msg\n";
 173                 }
 174
 175                 if (defined('LOGFILE'))  {
 176                         $fp = fopen(LOGFILE, 'a+');
 177
 178                         if ($fp) {
 179                                 $locked = false;
 180
 181                                 if (function_exists("flock")) {
 182                                         $tries = 0;
 183
 184                                         // try to lock logfile for writing
 185                                         while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
 186                                                 sleep(1);
 187                                                 ++$tries;
 188                                         }
 189
 190                                         if (!$locked) {
 191                                                 fclose($fp);
 192                                                 return;
 193                                         }
 194                                 }
 195
 196                                 fputs($fp, "[$ts] $msg\n");
 197
 198                                 if (function_exists("flock")) {
 199                                         flock($fp, LOCK_UN);
 200                                 }
 201
 202                                 fclose($fp);
 203                         }
 204                 }
 205
 206         } // function _debug
 207
 208         /**
 209          * Purge a feed old posts.
 210          *
 211          * @param mixed $link A database connection.
 212          * @param mixed $feed_id The id of the purged feed.
 213          * @param mixed $purge_interval Olderness of purged posts.
 214          * @param boolean $debug Set to True to enable the debug. False by default.
 215          * @access public
 216          * @return void
 217          */
 218         function purge_feed($feed_id, $purge_interval, $debug = false) {
 219
 220                 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
 221
 222                 $rows = -1;
 223
 224                 $result = db_query(
 225                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 226
 227                 $owner_uid = false;
 228
 229                 if (db_num_rows($result) == 1) {
 230                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 231                 }
 232
 233                 if ($purge_interval == -1 || !$purge_interval) {
 234                         if ($owner_uid) {
 235                                 ccache_update($feed_id, $owner_uid);
 236                         }
 237                         return;
 238                 }
 239
 240                 if (!$owner_uid) return;
 241
 242                 if (FORCE_ARTICLE_PURGE == 0) {
 243                         $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
 244                                 $owner_uid, false);
 245                 } else {
 246                         $purge_unread = true;
 247                         $purge_interval = FORCE_ARTICLE_PURGE;
 248                 }
 249
 250                 if (!$purge_unread) $query_limit = " unread = false AND ";
 251
 252                 if (DB_TYPE == "pgsql") {
 253                         $result = db_query("DELETE FROM ttrss_user_entries
 254                                 USING ttrss_entries
 255                                 WHERE ttrss_entries.id = ref_id AND
 256                                 marked = false AND
 257                                 feed_id = '$feed_id' AND
 258                                 $query_limit
 259                                 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 260
 261                 } else {
 262
 263 /*                      $result = db_query("DELETE FROM ttrss_user_entries WHERE
 264                                 marked = false AND feed_id = '$feed_id' AND
 265                                 (SELECT date_updated FROM ttrss_entries WHERE
 266                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 267
 268                         $result = db_query("DELETE FROM ttrss_user_entries
 269                                 USING ttrss_user_entries, ttrss_entries
 270                                 WHERE ttrss_entries.id = ref_id AND
 271                                 marked = false AND
 272                                 feed_id = '$feed_id' AND
 273                                 $query_limit
 274                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 275                 }
 276
 277                 $rows = db_affected_rows($result);
 278
 279                 ccache_update($feed_id, $owner_uid);
 280
 281                 if ($debug) {
 282                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 283                 }
 284
 285                 return $rows;
 286         } // function purge_feed
 287
 288         function feed_purge_interval($feed_id) {
 289
 290                 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
 291                         WHERE id = '$feed_id'");
 292
 293                 if (db_num_rows($result) == 1) {
 294                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 295                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 296
 297                         if ($purge_interval == 0) $purge_interval = get_pref(
 298                                 'PURGE_OLD_DAYS', $owner_uid);
 299
 300                         return $purge_interval;
 301
 302                 } else {
 303                         return -1;
 304                 }
 305         }
 306
 307         function purge_orphans($do_output = false) {
 308
 309                 // purge orphaned posts in main content table
 310                 $result = db_query("DELETE FROM ttrss_entries WHERE
 311                         NOT EXISTS (SELECT ref_id FROM ttrss_user_entries WHERE ref_id = id)");
 312
 313                 if ($do_output) {
 314                         $rows = db_affected_rows($result);
 315                         _debug("Purged $rows orphaned posts.");
 316                 }
 317         }
 318
 319         function get_feed_update_interval($feed_id) {
 320                 $result = db_query("SELECT owner_uid, update_interval FROM
 321                         ttrss_feeds WHERE id = '$feed_id'");
 322
 323                 if (db_num_rows($result) == 1) {
 324                         $update_interval = db_fetch_result($result, 0, "update_interval");
 325                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 326
 327                         if ($update_interval != 0) {
 328                                 return $update_interval;
 329                         } else {
 330                                 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 331                         }
 332
 333                 } else {
 334                         return -1;
 335                 }
 336         }
 337
 338         // TODO: multiple-argument way is deprecated, first parameter is a hash now
 339         function fetch_file_contents($options /* previously: 0: $url , 1: $type = false, 2: $login = false, 3: $pass = false,
 340                                 4: $post_query = false, 5: $timeout = false, 6: $timestamp = 0, 7: $useragent = false*/) {
 341
 342                 global $fetch_last_error;
 343                 global $fetch_last_error_code;
 344                 global $fetch_last_error_content;
 345                 global $fetch_last_content_type;
 346                 global $fetch_curl_used;
 347
 348                 if (!is_array($options)) {
 349
 350                         // falling back on compatibility shim
 351                         $options = array(
 352                                         "url" => func_get_arg(0),
 353                                         "type" => @func_get_arg(1),
 354                                         "login" => @func_get_arg(2),
 355                                         "pass" => @func_get_arg(3),
 356                                         "post_query" => @func_get_arg(4),
 357                                         "timeout" => @func_get_arg(5),
 358                                         "timestamp" => @func_get_arg(6),
 359                                         "useragent" => @func_get_arg(7)
 360                         );
 361                 }
 362
 363                 $url = $options["url"];
 364                 $type = isset($options["type"]) ? $options["type"] : false;
 365                 $login = isset($options["login"]) ? $options["login"] : false;
 366                 $pass = isset($options["pass"]) ? $options["pass"] : false;
 367                 $post_query = isset($options["post_query"]) ? $options["post_query"] : false;
 368                 $timeout = isset($options["timeout"]) ? $options["timeout"] : false;
 369                 $timestamp = isset($options["timestamp"]) ? $options["timestamp"] : 0;
 370                 $useragent = isset($options["useragent"]) ? $options["useragent"] : false;
 371
 372                 $url = ltrim($url, ' ');
 373                 $url = str_replace(' ', '%20', $url);
 374
 375                 if (strpos($url, "//") === 0)
 376                         $url = 'http:' . $url;
 377
 378                 if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) {
 379
 380                         $fetch_curl_used = true;
 381
 382                         $ch = curl_init($url);
 383
 384                         if ($timestamp && !$post_query) {
 385                                 curl_setopt($ch, CURLOPT_HTTPHEADER,
 386                                         array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
 387                         }
 388
 389                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
 390                         curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
 391                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir"));
 392                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 393                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 394                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 395                         curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 396                         curl_setopt($ch, CURLOPT_USERAGENT, $useragent ? $useragent :
 397                                 SELF_USER_AGENT);
 398                         curl_setopt($ch, CURLOPT_ENCODING, "");
 399                         //curl_setopt($ch, CURLOPT_REFERER, $url);
 400
 401                         if (!ini_get("open_basedir")) {
 402                                 curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
 403                         }
 404
 405                         if (defined('_CURL_HTTP_PROXY')) {
 406                                 curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
 407                         }
 408
 409                         if ($post_query) {
 410                                 curl_setopt($ch, CURLOPT_POST, true);
 411                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
 412                         }
 413
 414                         if ($login && $pass)
 415                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 416
 417                         $contents = @curl_exec($ch);
 418
 419                         if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
 420                                 curl_setopt($ch, CURLOPT_ENCODING, 'none');
 421                                 $contents = @curl_exec($ch);
 422                         }
 423
 424                         if ($contents === false) {
 425                                 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 426                                 curl_close($ch);
 427                                 return false;
 428                         }
 429
 430                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 431                         $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 432
 433                         $fetch_last_error_code = $http_code;
 434
 435                         if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
 436                                 if (curl_errno($ch) != 0) {
 437                                         $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 438                                 } else {
 439                                         $fetch_last_error = "HTTP Code: $http_code";
 440                                 }
 441                                 $fetch_last_error_content = $contents;
 442                                 curl_close($ch);
 443                                 return false;
 444                         }
 445
 446                         curl_close($ch);
 447
 448                         return $contents;
 449                 } else {
 450
 451                         $fetch_curl_used = false;
 452
 453                         if ($login && $pass){
 454                                 $url_parts = array();
 455
 456                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 457
 458                                 $pass = urlencode($pass);
 459
 460                                 if ($url_parts[1] && $url_parts[2]) {
 461                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 462                                 }
 463                         }
 464
 465                         if (!$post_query && $timestamp) {
 466                                  $context = stream_context_create(array(
 467                                           'http' => array(
 468                                                         'method' => 'GET',
 469                                                         'protocol_version'=> 1.1,
 470                                                         'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
 471                                           )));
 472                         } else {
 473                                  $context = stream_context_create(array(
 474                                           'http' => array(
 475                                                         'method' => 'GET',
 476                                                         'protocol_version'=> 1.1
 477                                           )));
 478                         }
 479
 480                         $old_error = error_get_last();
 481
 482                         $data = @file_get_contents($url, false, $context);
 483
 484                         $fetch_last_content_type = false;  // reset if no type was sent from server
 485                         if (isset($http_response_header) && is_array($http_response_header)) {
 486                                 foreach ($http_response_header as $h) {
 487                                         if (substr(strtolower($h), 0, 13) == 'content-type:') {
 488                                                 $fetch_last_content_type = substr($h, 14);
 489                                                 // don't abort here b/c there might be more than one
 490                                                 // e.g. if we were being redirected -- last one is the right one
 491                                         }
 492
 493                                         if (substr(strtolower($h), 0, 7) == 'http/1.') {
 494                                                 $fetch_last_error_code = (int) substr($h, 9, 3);
 495                                         }
 496                                 }
 497                         }
 498
 499                         if (!$data) {
 500                                 $error = error_get_last();
 501
 502                                 if ($error['message'] != $old_error['message']) {
 503                                         $fetch_last_error = $error["message"];
 504                                 } else {
 505                                         $fetch_last_error = "HTTP Code: $fetch_last_error_code";
 506                                 }
 507                         }
 508                         return $data;
 509                 }
 510
 511         }
 512
 513         /**
 514          * Try to determine the favicon URL for a feed.
 515          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 516          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 517          *
 518          * @param string $url A feed or page URL
 519          * @access public
 520          * @return mixed The favicon URL, or false if none was found.
 521          */
 522         function get_favicon_url($url) {
 523
 524                 $favicon_url = false;
 525
 526                 if ($html = @fetch_file_contents($url)) {
 527
 528                         libxml_use_internal_errors(true);
 529
 530                         $doc = new DOMDocument();
 531                         $doc->loadHTML($html);
 532                         $xpath = new DOMXPath($doc);
 533
 534                         $base = $xpath->query('/html/head/base');
 535                         foreach ($base as $b) {
 536                                 $url = $b->getAttribute("href");
 537                                 break;
 538                         }
 539
 540                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
 541                         if (count($entries) > 0) {
 542                                 foreach ($entries as $entry) {
 543                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 544                                         break;
 545                                 }
 546                         }
 547                 }
 548
 549                 if (!$favicon_url)
 550                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 551
 552                 return $favicon_url;
 553         } // function get_favicon_url
 554
 555         function check_feed_favicon($site_url, $feed) {
 556 #               print "FAVICON [$site_url]: $favicon_url\n";
 557
 558                 $icon_file = ICONS_DIR . "/$feed.ico";
 559
 560                 if (!file_exists($icon_file)) {
 561                         $favicon_url = get_favicon_url($site_url);
 562
 563                         if ($favicon_url) {
 564                                 // Limiting to "image" type misses those served with text/plain
 565                                 $contents = fetch_file_contents($favicon_url); // , "image");
 566
 567                                 if ($contents) {
 568                                         // Crude image type matching.
 569                                         // Patterns gleaned from the file(1) source code.
 570                                         if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
 571                                                 // 0       string  \000\000\001\000        MS Windows icon resource
 572                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
 573                                         }
 574                                         elseif (preg_match('/^GIF8/', $contents)) {
 575                                                 // 0       string          GIF8            GIF image data
 576                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
 577                                         }
 578                                         elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
 579                                                 // 0       string          \x89PNG\x0d\x0a\x1a\x0a         PNG image data
 580                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
 581                                         }
 582                                         elseif (preg_match('/^\xff\xd8/', $contents)) {
 583                                                 // 0       beshort         0xffd8          JPEG image data
 584                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
 585                                         }
 586                                         else {
 587                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
 588                                                 $contents = "";
 589                                         }
 590                                 }
 591
 592                                 if ($contents) {
 593                                         $fp = @fopen($icon_file, "w");
 594
 595                                         if ($fp) {
 596                                                 fwrite($fp, $contents);
 597                                                 fclose($fp);
 598                                                 chmod($icon_file, 0644);
 599                                         }
 600                                 }
 601                         }
 602             return $icon_file;
 603                 }
 604         }
 605
 606         function print_select($id, $default, $values, $attributes = "", $name = "") {
 607                 if (!$name) $name = $id;
 608
 609                 print "<select name=\"$name\" id=\"$id\" $attributes>";
 610                 foreach ($values as $v) {
 611                         if ($v == $default)
 612                                 $sel = "selected=\"1\"";
 613                          else
 614                                 $sel = "";
 615
 616                         $v = trim($v);
 617
 618                         print "<option value=\"$v\" $sel>$v</option>";
 619                 }
 620                 print "</select>";
 621         }
 622
 623         function print_select_hash($id, $default, $values, $attributes = "", $name = "") {
 624                 if (!$name) $name = $id;
 625
 626                 print "<select name=\"$name\" id='$id' $attributes>";
 627                 foreach (array_keys($values) as $v) {
 628                         if ($v == $default)
 629                                 $sel = 'selected="selected"';
 630                          else
 631                                 $sel = "";
 632
 633                         $v = trim($v);
 634
 635                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
 636                 }
 637
 638                 print "</select>";
 639         }
 640
 641         function print_radio($id, $default, $true_is, $values, $attributes = "") {
 642                 foreach ($values as $v) {
 643
 644                         if ($v == $default)
 645                                 $sel = "checked";
 646                          else
 647                                 $sel = "";
 648
 649                         if ($v == $true_is) {
 650                                 $sel .= " value=\"1\"";
 651                         } else {
 652                                 $sel .= " value=\"0\"";
 653                         }
 654
 655                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
 656                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
 657
 658                 }
 659         }
 660
 661         function initialize_user_prefs($uid, $profile = false) {
 662
 663                 $uid = db_escape_string($uid);
 664
 665                 if (!$profile) {
 666                         $profile = "NULL";
 667                         $profile_qpart = "AND profile IS NULL";
 668                 } else {
 669                         $profile_qpart = "AND profile = '$profile'";
 670                 }
 671
 672                 if (get_schema_version() < 63) $profile_qpart = "";
 673
 674                 db_query("BEGIN");
 675
 676                 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
 677
 678                 $u_result = db_query("SELECT pref_name
 679                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
 680
 681                 $active_prefs = array();
 682
 683                 while ($line = db_fetch_assoc($u_result)) {
 684                         array_push($active_prefs, $line["pref_name"]);
 685                 }
 686
 687                 while ($line = db_fetch_assoc($result)) {
 688                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 689 //                              print "adding " . $line["pref_name"] . "<br>";
 690
 691                                 $line["def_value"] = db_escape_string($line["def_value"]);
 692                                 $line["pref_name"] = db_escape_string($line["pref_name"]);
 693
 694                                 if (get_schema_version() < 63) {
 695                                         db_query("INSERT INTO ttrss_user_prefs
 696                                                 (owner_uid,pref_name,value) VALUES
 697                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
 698
 699                                 } else {
 700                                         db_query("INSERT INTO ttrss_user_prefs
 701                                                 (owner_uid,pref_name,value, profile) VALUES
 702                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
 703                                 }
 704
 705                         }
 706                 }
 707
 708                 db_query("COMMIT");
 709
 710         }
 711
 712         function get_ssl_certificate_id() {
 713                 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
 714                         return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
 715                                 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
 716                                 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
 717                                 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
 718                 }
 719                 if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
 720                         return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
 721                                 $_SERVER["SSL_CLIENT_V_START"] .
 722                                 $_SERVER["SSL_CLIENT_V_END"] .
 723                                 $_SERVER["SSL_CLIENT_S_DN"]);
 724                 }
 725                 return "";
 726         }
 727
 728         function authenticate_user($login, $password, $check_only = false) {
 729
 730                 if (!SINGLE_USER_MODE) {
 731                         $user_id = false;
 732
 733                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
 734
 735                                 $user_id = (int) $plugin->authenticate($login, $password);
 736
 737                                 if ($user_id) {
 738                                         $_SESSION["auth_module"] = strtolower(get_class($plugin));
 739                                         break;
 740                                 }
 741                         }
 742
 743                         if ($user_id && !$check_only) {
 744                                 @session_start();
 745
 746                                 $_SESSION["uid"] = $user_id;
 747                                 $_SESSION["version"] = VERSION_STATIC;
 748
 749                                 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
 750                                         WHERE id = '$user_id'");
 751
 752                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
 753                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
 754                                 $_SESSION["csrf_token"] = uniqid_short();
 755
 756                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 757                                         $_SESSION["uid"]);
 758
 759                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 760                                 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
 761                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
 762
 763                                 $_SESSION["last_version_check"] = time();
 764
 765                                 initialize_user_prefs($_SESSION["uid"]);
 766
 767                                 return true;
 768                         }
 769
 770                         return false;
 771
 772                 } else {
 773
 774                         $_SESSION["uid"] = 1;
 775                         $_SESSION["name"] = "admin";
 776                         $_SESSION["access_level"] = 10;
 777
 778                         $_SESSION["hide_hello"] = true;
 779                         $_SESSION["hide_logout"] = true;
 780
 781                         $_SESSION["auth_module"] = false;
 782
 783                         if (!$_SESSION["csrf_token"]) {
 784                                 $_SESSION["csrf_token"] = uniqid_short();
 785                         }
 786
 787                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 788
 789                         initialize_user_prefs($_SESSION["uid"]);
 790
 791                         return true;
 792                 }
 793         }
 794
 795         function make_password($length = 8) {
 796
 797                 $password = "";
 798                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
 799
 800         $i = 0;
 801
 802                 while ($i < $length) {
 803                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
 804
 805                         if (!strstr($password, $char)) {
 806                                 $password .= $char;
 807                                 $i++;
 808                         }
 809                 }
 810                 return $password;
 811         }
 812
 813         // this is called after user is created to initialize default feeds, labels
 814         // or whatever else
 815
 816         // user preferences are checked on every login, not here
 817
 818         function initialize_user($uid) {
 819
 820                 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
 821                         values ('$uid', 'Tiny Tiny RSS: Forum',
 822                                 'http://tt-rss.org/forum/rss.php')");
 823         }
 824
 825         function logout_user() {
 826                 session_destroy();
 827                 if (isset($_COOKIE[session_name()])) {
 828                    setcookie(session_name(), '', time()-42000, '/');
 829                 }
 830         }
 831
 832         function validate_csrf($csrf_token) {
 833                 return $csrf_token == $_SESSION['csrf_token'];
 834         }
 835
 836         function load_user_plugins($owner_uid, $pluginhost = false) {
 837
 838                 if (!$pluginhost) $pluginhost = PluginHost::getInstance();
 839
 840                 if ($owner_uid && SCHEMA_VERSION >= 100) {
 841                         $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
 842
 843                         $pluginhost->load($plugins, PluginHost::KIND_USER, $owner_uid);
 844
 845                         if (get_schema_version() > 100) {
 846                                 $pluginhost->load_data();
 847                         }
 848                 }
 849         }
 850
 851         function login_sequence() {
 852                 if (SINGLE_USER_MODE) {
 853                         @session_start();
 854                         authenticate_user("admin", null);
 855                         startup_gettext();
 856                         load_user_plugins($_SESSION["uid"]);
 857                 } else {
 858                         if (!validate_session()) $_SESSION["uid"] = false;
 859
 860                         if (!$_SESSION["uid"]) {
 861
 862                                 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
 863                                     $_SESSION["ref_schema_version"] = get_schema_version(true);
 864                                 } else {
 865                                          authenticate_user(null, null, true);
 866                                 }
 867
 868                                 if (!$_SESSION["uid"]) {
 869                                         @session_destroy();
 870                                         setcookie(session_name(), '', time()-42000, '/');
 871
 872                                         render_login_form();
 873                                         exit;
 874                                 }
 875
 876                         } else {
 877                                 /* bump login timestamp */
 878                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 879                                         $_SESSION["uid"]);
 880                                 $_SESSION["last_login_update"] = time();
 881                         }
 882
 883                         if ($_SESSION["uid"]) {
 884                                 startup_gettext();
 885                                 load_user_plugins($_SESSION["uid"]);
 886
 887                                 /* cleanup ccache */
 888
 889                                 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
 890                                         $_SESSION["uid"] . " AND
 891                                                 (SELECT COUNT(id) FROM ttrss_feeds WHERE
 892                                                         ttrss_feeds.id = feed_id) = 0");
 893
 894                                 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
 895                                         $_SESSION["uid"] . " AND
 896                                                 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
 897                                                         ttrss_feed_categories.id = feed_id) = 0");
 898
 899                         }
 900
 901                 }
 902         }
 903
 904         function truncate_string($str, $max_len, $suffix = '&hellip;') {
 905                 if (mb_strlen($str, "utf-8") > $max_len) {
 906                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
 907                 } else {
 908                         return $str;
 909                 }
 910         }
 911
 912         // is not utf8 clean
 913         function truncate_middle($str, $max_len, $suffix = '&hellip;') {
 914                 if (strlen($str) > $max_len) {
 915                         return substr_replace($str, $suffix, $max_len / 2, mb_strlen($str) - $max_len);
 916                 } else {
 917                         return $str;
 918                 }
 919         }
 920
 921         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
 922
 923                 try {
 924                         $source_tz = new DateTimeZone($source_tz);
 925                 } catch (Exception $e) {
 926                         $source_tz = new DateTimeZone('UTC');
 927                 }
 928
 929                 try {
 930                         $dest_tz = new DateTimeZone($dest_tz);
 931                 } catch (Exception $e) {
 932                         $dest_tz = new DateTimeZone('UTC');
 933                 }
 934
 935                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
 936                 return $dt->format('U') + $dest_tz->getOffset($dt);
 937         }
 938
 939         function make_local_datetime($timestamp, $long, $owner_uid = false,
 940                                         $no_smart_dt = false, $eta_min = false) {
 941
 942                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 943                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
 944
 945                 global $utc_tz;
 946                 global $user_tz;
 947
 948                 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
 949
 950                 $timestamp = substr($timestamp, 0, 19);
 951
 952                 # We store date in UTC internally
 953                 $dt = new DateTime($timestamp, $utc_tz);
 954
 955                 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
 956
 957                 if ($user_tz_string != 'Automatic') {
 958
 959                         try {
 960                                 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
 961                         } catch (Exception $e) {
 962                                 $user_tz = $utc_tz;
 963                         }
 964
 965                         $tz_offset = $user_tz->getOffset($dt);
 966                 } else {
 967                         $tz_offset = (int) -$_SESSION["clientTzOffset"];
 968                 }
 969
 970                 $user_timestamp = $dt->format('U') + $tz_offset;
 971
 972                 if (!$no_smart_dt) {
 973                         return smart_date_time($user_timestamp,
 974                                 $tz_offset, $owner_uid, $eta_min);
 975                 } else {
 976                         if ($long)
 977                                 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 978                         else
 979                                 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 980
 981                         return date($format, $user_timestamp);
 982                 }
 983         }
 984
 985         function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false, $eta_min = false) {
 986                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 987
 988                 if ($eta_min && time() + $tz_offset - $timestamp < 3600) {
 989                         return T_sprintf("%d min", date("i", time() + $tz_offset - $timestamp));
 990                 } else if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
 991                         return date("G:i", $timestamp);
 992                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
 993                         $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 994                         return date($format, $timestamp);
 995                 } else {
 996                         $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 997                         return date($format, $timestamp);
 998                 }
 999         }
1000
1001         function sql_bool_to_bool($s) {
1002                 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
1003                         return true;
1004                 } else {
1005                         return false;
1006                 }
1007         }
1008
1009         function bool_to_sql_bool($s) {
1010                 if ($s) {
1011                         return "true";
1012                 } else {
1013                         return "false";
1014                 }
1015         }
1016
1017         // Session caching removed due to causing wrong redirects to upgrade
1018         // script when get_schema_version() is called on an obsolete session
1019         // created on a previous schema version.
1020         function get_schema_version($nocache = false) {
1021                 global $schema_version;
1022
1023                 if (!$schema_version && !$nocache) {
1024                         $result = db_query("SELECT schema_version FROM ttrss_version");
1025                         $version = db_fetch_result($result, 0, "schema_version");
1026                         $schema_version = $version;
1027                         return $version;
1028                 } else {
1029                         return $schema_version;
1030                 }
1031         }
1032
1033         function sanity_check() {
1034                 require_once 'errors.php';
1035                 global $ERRORS;
1036
1037                 $error_code = 0;
1038                 $schema_version = get_schema_version(true);
1039
1040                 if ($schema_version != SCHEMA_VERSION) {
1041                         $error_code = 5;
1042                 }
1043
1044                 if (DB_TYPE == "mysql") {
1045                         $result = db_query("SELECT true", false);
1046                         if (db_num_rows($result) != 1) {
1047                                 $error_code = 10;
1048                         }
1049                 }
1050
1051                 if (db_escape_string("testTEST") != "testTEST") {
1052                         $error_code = 12;
1053                 }
1054
1055                 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1056         }
1057
1058         function file_is_locked($filename) {
1059                 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
1060                         if (function_exists('flock')) {
1061                                 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1062                                 if ($fp) {
1063                                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1064                                                 flock($fp, LOCK_UN);
1065                                                 fclose($fp);
1066                                                 return false;
1067                                         }
1068                                         fclose($fp);
1069                                         return true;
1070                                 } else {
1071                                         return false;
1072                                 }
1073                         }
1074                         return true; // consider the file always locked and skip the test
1075                 } else {
1076                         return false;
1077                 }
1078         }
1079
1080
1081         function make_lockfile($filename) {
1082                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1083
1084                 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
1085                         $stat_h = fstat($fp);
1086                         $stat_f = stat(LOCK_DIRECTORY . "/$filename");
1087
1088                         if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
1089                                 if ($stat_h["ino"] != $stat_f["ino"] ||
1090                                                 $stat_h["dev"] != $stat_f["dev"]) {
1091
1092                                         return false;
1093                                 }
1094                         }
1095
1096                         if (function_exists('posix_getpid')) {
1097                                 fwrite($fp, posix_getpid() . "\n");
1098                         }
1099                         return $fp;
1100                 } else {
1101                         return false;
1102                 }
1103         }
1104
1105         function make_stampfile($filename) {
1106                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1107
1108                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1109                         fwrite($fp, time() . "\n");
1110                         flock($fp, LOCK_UN);
1111                         fclose($fp);
1112                         return true;
1113                 } else {
1114                         return false;
1115                 }
1116         }
1117
1118         function sql_random_function() {
1119                 if (DB_TYPE == "mysql") {
1120                         return "RAND()";
1121                 } else {
1122                         return "RANDOM()";
1123                 }
1124         }
1125
1126         function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1127
1128                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1129
1130                         //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1131
1132                         // Todo: all this interval stuff needs some generic generator function
1133
1134                         $date_qpart = "false";
1135
1136                         switch ($mode) {
1137                         case "1day":
1138                                 if (DB_TYPE == "pgsql") {
1139                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1140                                 } else {
1141                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1142                                 }
1143                                 break;
1144                         case "1week":
1145                                 if (DB_TYPE == "pgsql") {
1146                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1147                                 } else {
1148                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1149                                 }
1150                                 break;
1151                         case "2week":
1152                                 if (DB_TYPE == "pgsql") {
1153                                         $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1154                                 } else {
1155                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1156                                 }
1157                                 break;
1158                         default:
1159                                 $date_qpart = "true";
1160                         }
1161
1162                         if (is_numeric($feed)) {
1163                                 if ($cat_view) {
1164
1165                                         if ($feed >= 0) {
1166
1167                                                 if ($feed > 0) {
1168                                                         $children = getChildCategories($feed, $owner_uid);
1169                                                         array_push($children, $feed);
1170
1171                                                         $children = join(",", $children);
1172
1173                                                         $cat_qpart = "cat_id IN ($children)";
1174                                                 } else {
1175                                                         $cat_qpart = "cat_id IS NULL";
1176                                                 }
1177
1178                                                 db_query("UPDATE ttrss_user_entries
1179                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1180                                                                 (SELECT id FROM
1181                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1182                                                                                 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1183                                                                                         (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1184
1185                                         } else if ($feed == -2) {
1186
1187                                                 db_query("UPDATE ttrss_user_entries
1188                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1189                                                                 FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart) > 0
1190                                                                 AND unread = true AND owner_uid = $owner_uid");
1191                                         }
1192
1193                                 } else if ($feed > 0) {
1194
1195                                         db_query("UPDATE ttrss_user_entries
1196                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1197                                                         (SELECT id FROM
1198                                                                 (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1199                                                                         AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1200
1201                                 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1202
1203                                         if ($feed == -1) {
1204                                                 db_query("UPDATE ttrss_user_entries
1205                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1206                                                                 (SELECT id FROM
1207                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1208                                                                                 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1209                                         }
1210
1211                                         if ($feed == -2) {
1212                                                 db_query("UPDATE ttrss_user_entries
1213                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1214                                                                 (SELECT id FROM
1215                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1216                                                                                 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1217                                         }
1218
1219                                         if ($feed == -3) {
1220
1221                                                 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1222
1223                                                 if (DB_TYPE == "pgsql") {
1224                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1225                                                 } else {
1226                                                         $match_part = "date_entered > DATE_SUB(NOW(),
1227                                                                 INTERVAL $intl HOUR) ";
1228                                                 }
1229
1230                                                 db_query("UPDATE ttrss_user_entries
1231                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1232                                                                 (SELECT id FROM
1233                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1234                                                                                 AND owner_uid = $owner_uid AND score >= 0 AND unread = true AND $date_qpart AND $match_part) as tmp)");
1235                                         }
1236
1237                                         if ($feed == -4) {
1238                                                 db_query("UPDATE ttrss_user_entries
1239                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1240                                                                 (SELECT id FROM
1241                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1242                                                                                 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1243                                         }
1244
1245                                 } else if ($feed < LABEL_BASE_INDEX) { // label
1246
1247                                         $label_id = feed_to_label_id($feed);
1248
1249                                         db_query("UPDATE ttrss_user_entries
1250                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1251                                                         (SELECT id FROM
1252                                                                 (SELECT DISTINCT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1253                                                                         AND label_id = '$label_id' AND ref_id = article_id
1254                                                                         AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1255
1256                                 }
1257
1258                                 ccache_update($feed, $owner_uid, $cat_view);
1259
1260                         } else { // tag
1261                                 db_query("UPDATE ttrss_user_entries
1262                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1263                                                 (SELECT id FROM
1264                                                         (SELECT DISTINCT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1265                                                                 AND post_int_id = int_id AND tag_name = '$feed'
1266                                                                 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1267
1268                         }
1269         }
1270
1271         function getAllCounters() {
1272                 $data = getGlobalCounters();
1273
1274                 $data = array_merge($data, getVirtCounters());
1275                 $data = array_merge($data, getLabelCounters());
1276                 $data = array_merge($data, getFeedCounters());
1277                 $data = array_merge($data, getCategoryCounters());
1278
1279                 return $data;
1280         }
1281
1282         function getCategoryTitle($cat_id) {
1283
1284                 if ($cat_id == -1) {
1285                         return __("Special");
1286                 } else if ($cat_id == -2) {
1287                         return __("Labels");
1288                 } else {
1289
1290                         $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1291                                 id = '$cat_id'");
1292
1293                         if (db_num_rows($result) == 1) {
1294                                 return db_fetch_result($result, 0, "title");
1295                         } else {
1296                                 return __("Uncategorized");
1297                         }
1298                 }
1299         }
1300
1301
1302         function getCategoryCounters() {
1303                 $ret_arr = array();
1304
1305                 /* Labels category */
1306
1307                 $cv = array("id" => -2, "kind" => "cat",
1308                         "counter" => getCategoryUnread(-2));
1309
1310                 array_push($ret_arr, $cv);
1311
1312                 $result = db_query("SELECT id AS cat_id, value AS unread,
1313                         (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1314                                 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1315                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
1316                         WHERE ttrss_cat_counters_cache.feed_id = id AND
1317                         ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1318                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1319
1320                 while ($line = db_fetch_assoc($result)) {
1321                         $line["cat_id"] = (int) $line["cat_id"];
1322
1323                         if ($line["num_children"] > 0) {
1324                                 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1325                         } else {
1326                                 $child_counter = 0;
1327                         }
1328
1329                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
1330                                 "counter" => $line["unread"] + $child_counter);
1331
1332                         array_push($ret_arr, $cv);
1333                 }
1334
1335                 /* Special case: NULL category doesn't actually exist in the DB */
1336
1337                 $cv = array("id" => 0, "kind" => "cat",
1338                         "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1339
1340                 array_push($ret_arr, $cv);
1341
1342                 return $ret_arr;
1343         }
1344
1345         // only accepts real cats (>= 0)
1346         function getCategoryChildrenUnread($cat, $owner_uid = false) {
1347                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1348
1349                 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1350                                 AND owner_uid = $owner_uid");
1351
1352                 $unread = 0;
1353
1354                 while ($line = db_fetch_assoc($result)) {
1355                         $unread += getCategoryUnread($line["id"], $owner_uid);
1356                         $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1357                 }
1358
1359                 return $unread;
1360         }
1361
1362         function getCategoryUnread($cat, $owner_uid = false) {
1363
1364                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1365
1366                 if ($cat >= 0) {
1367
1368                         if ($cat != 0) {
1369                                 $cat_query = "cat_id = '$cat'";
1370                         } else {
1371                                 $cat_query = "cat_id IS NULL";
1372                         }
1373
1374                         $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1375                                         AND owner_uid = " . $owner_uid);
1376
1377                         $cat_feeds = array();
1378                         while ($line = db_fetch_assoc($result)) {
1379                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
1380                         }
1381
1382                         if (count($cat_feeds) == 0) return 0;
1383
1384                         $match_part = implode(" OR ", $cat_feeds);
1385
1386                         $result = db_query("SELECT COUNT(int_id) AS unread
1387                                 FROM ttrss_user_entries
1388                                 WHERE   unread = true AND ($match_part)
1389                                 AND owner_uid = " . $owner_uid);
1390
1391                         $unread = 0;
1392
1393                         # this needs to be rewritten
1394                         while ($line = db_fetch_assoc($result)) {
1395                                 $unread += $line["unread"];
1396                         }
1397
1398                         return $unread;
1399                 } else if ($cat == -1) {
1400                         return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1401                 } else if ($cat == -2) {
1402
1403                         $result = db_query("
1404                                 SELECT COUNT(unread) AS unread FROM
1405                                         ttrss_user_entries, ttrss_user_labels2
1406                                 WHERE article_id = ref_id AND unread = true
1407                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
1408
1409                         $unread = db_fetch_result($result, 0, "unread");
1410
1411                         return $unread;
1412
1413                 }
1414         }
1415
1416         function getFeedUnread($feed, $is_cat = false) {
1417                 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1418         }
1419
1420         function getLabelUnread($label_id, $owner_uid = false) {
1421                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1422
1423                 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1424                         WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1425
1426                 if (db_num_rows($result) != 0) {
1427                         return db_fetch_result($result, 0, "unread");
1428                 } else {
1429                         return 0;
1430                 }
1431         }
1432
1433         function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1434                 $owner_uid = false) {
1435
1436                 $n_feed = (int) $feed;
1437                 $need_entries = false;
1438
1439                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1440
1441                 if ($unread_only) {
1442                         $unread_qpart = "unread = true";
1443                 } else {
1444                         $unread_qpart = "true";
1445                 }
1446
1447                 if ($is_cat) {
1448                         return getCategoryUnread($n_feed, $owner_uid);
1449                 } else if ($n_feed == -6) {
1450                         return 0;
1451                 } else if ($feed != "0" && $n_feed == 0) {
1452
1453                         $feed = db_escape_string($feed);
1454
1455                         $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1456                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1457                                         AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1458                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1459                         return db_fetch_result($result, 0, "count");
1460
1461                 } else if ($n_feed == -1) {
1462                         $match_part = "marked = true";
1463                 } else if ($n_feed == -2) {
1464                         $match_part = "published = true";
1465                 } else if ($n_feed == -3) {
1466                         $match_part = "unread = true AND score >= 0";
1467
1468                         $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1469
1470                         if (DB_TYPE == "pgsql") {
1471                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1472                         } else {
1473                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1474                         }
1475
1476                         $need_entries = true;
1477
1478                 } else if ($n_feed == -4) {
1479                         $match_part = "true";
1480                 } else if ($n_feed >= 0) {
1481
1482                         if ($n_feed != 0) {
1483                                 $match_part = "feed_id = '$n_feed'";
1484                         } else {
1485                                 $match_part = "feed_id IS NULL";
1486                         }
1487
1488                 } else if ($feed < LABEL_BASE_INDEX) {
1489
1490                         $label_id = feed_to_label_id($feed);
1491
1492                         return getLabelUnread($label_id, $owner_uid);
1493
1494                 }
1495
1496                 if ($match_part) {
1497
1498                         if ($need_entries) {
1499                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
1500                                 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1501                         } else {
1502                                 $from_qpart = "ttrss_user_entries";
1503                                 $from_where = "";
1504                         }
1505
1506                         $query = "SELECT count(int_id) AS unread
1507                                 FROM $from_qpart WHERE
1508                                 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1509
1510                         //echo "[$feed/$query]\n";
1511
1512                         $result = db_query($query);
1513
1514                 } else {
1515
1516                         $result = db_query("SELECT COUNT(post_int_id) AS unread
1517                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1518                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1519                                 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1520                 }
1521
1522                 $unread = db_fetch_result($result, 0, "unread");
1523
1524                 return $unread;
1525         }
1526
1527         function getGlobalUnread($user_id = false) {
1528
1529                 if (!$user_id) {
1530                         $user_id = $_SESSION["uid"];
1531                 }
1532
1533                 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1534                         WHERE owner_uid = '$user_id' AND feed_id > 0");
1535
1536                 $c_id = db_fetch_result($result, 0, "c_id");
1537
1538                 return $c_id;
1539         }
1540
1541         function getGlobalCounters($global_unread = -1) {
1542                 $ret_arr = array();
1543
1544                 if ($global_unread == -1) {
1545                         $global_unread = getGlobalUnread();
1546                 }
1547
1548                 $cv = array("id" => "global-unread",
1549                         "counter" => (int) $global_unread);
1550
1551                 array_push($ret_arr, $cv);
1552
1553                 $result = db_query("SELECT COUNT(id) AS fn FROM
1554                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1555
1556                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1557
1558                 $cv = array("id" => "subscribed-feeds",
1559                         "counter" => (int) $subscribed_feeds);
1560
1561                 array_push($ret_arr, $cv);
1562
1563                 return $ret_arr;
1564         }
1565
1566         function getVirtCounters() {
1567
1568                 $ret_arr = array();
1569
1570                 for ($i = 0; $i >= -4; $i--) {
1571
1572                         $count = getFeedUnread($i);
1573
1574                         if ($i == 0 || $i == -1 || $i == -2)
1575                                 $auxctr = getFeedArticles($i, false);
1576                         else
1577                                 $auxctr = 0;
1578
1579                         $cv = array("id" => $i,
1580                                 "counter" => (int) $count,
1581                                 "auxcounter" => $auxctr);
1582
1583 //                      if (get_pref('EXTENDED_FEEDLIST'))
1584 //                              $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1585
1586                         array_push($ret_arr, $cv);
1587                 }
1588
1589                 $feeds = PluginHost::getInstance()->get_feeds(-1);
1590
1591                 if (is_array($feeds)) {
1592                         foreach ($feeds as $feed) {
1593                                 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1594                                         "counter" => $feed['sender']->get_unread($feed['id']));
1595
1596                                 if (method_exists($feed['sender'], 'get_total'))
1597                                         $cv["auxcounter"] = $feed['sender']->get_total($feed['id']);
1598
1599                                 array_push($ret_arr, $cv);
1600                         }
1601                 }
1602
1603                 return $ret_arr;
1604         }
1605
1606         function getLabelCounters($descriptions = false) {
1607
1608                 $ret_arr = array();
1609
1610                 $owner_uid = $_SESSION["uid"];
1611
1612                 $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
1613                         FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1614                                 (ttrss_labels2.id = label_id)
1615                                 LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
1616                                 WHERE ttrss_labels2.owner_uid = $owner_uid AND u1.owner_uid = $owner_uid
1617                                 GROUP BY ttrss_labels2.id,
1618                                         ttrss_labels2.caption");
1619
1620                 while ($line = db_fetch_assoc($result)) {
1621
1622                         $id = label_to_feed_id($line["id"]);
1623
1624                         $cv = array("id" => $id,
1625                                 "counter" => (int) $line["unread"],
1626                                 "auxcounter" => (int) $line["total"]);
1627
1628                         if ($descriptions)
1629                                 $cv["description"] = $line["caption"];
1630
1631                         array_push($ret_arr, $cv);
1632                 }
1633
1634                 return $ret_arr;
1635         }
1636
1637         function getFeedCounters($active_feed = false) {
1638
1639                 $ret_arr = array();
1640
1641                 $query = "SELECT ttrss_feeds.id,
1642                                 ttrss_feeds.title,
1643                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1644                                 last_error, value AS count
1645                         FROM ttrss_feeds, ttrss_counters_cache
1646                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1647                                 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1648                                 AND ttrss_counters_cache.feed_id = id";
1649
1650                 $result = db_query($query);
1651
1652                 while ($line = db_fetch_assoc($result)) {
1653
1654                         $id = $line["id"];
1655                         $count = $line["count"];
1656                         $last_error = htmlspecialchars($line["last_error"]);
1657
1658                         $last_updated = make_local_datetime($line['last_updated'], false);
1659
1660                         $has_img = feed_has_icon($id);
1661
1662                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1663                                 $last_updated = '';
1664
1665                         $cv = array("id" => $id,
1666                                 "updated" => $last_updated,
1667                                 "counter" => (int) $count,
1668                                 "has_img" => (int) $has_img);
1669
1670                         if ($last_error)
1671                                 $cv["error"] = $last_error;
1672
1673 //                      if (get_pref('EXTENDED_FEEDLIST'))
1674 //                              $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1675
1676                         if ($active_feed && $id == $active_feed)
1677                                 $cv["title"] = truncate_string($line["title"], 30);
1678
1679                         array_push($ret_arr, $cv);
1680
1681                 }
1682
1683                 return $ret_arr;
1684         }
1685
1686         function get_pgsql_version() {
1687                 $result = db_query("SELECT version() AS version");
1688                 $version = explode(" ", db_fetch_result($result, 0, "version"));
1689                 return $version[1];
1690         }
1691
1692         /**
1693          * @return array (code => Status code, message => error message if available)
1694          *
1695          *                 0 - OK, Feed already exists
1696          *                 1 - OK, Feed added
1697          *                 2 - Invalid URL
1698          *                 3 - URL content is HTML, no feeds available
1699          *                 4 - URL content is HTML which contains multiple feeds.
1700          *                     Here you should call extractfeedurls in rpc-backend
1701          *                     to get all possible feeds.
1702          *                 5 - Couldn't download the URL content.
1703          *                 6 - Content is an invalid XML.
1704          */
1705         function subscribe_to_feed($url, $cat_id = 0,
1706                         $auth_login = '', $auth_pass = '') {
1707
1708                 global $fetch_last_error;
1709
1710                 require_once "include/rssfuncs.php";
1711
1712                 $url = fix_url($url);
1713
1714                 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1715
1716                 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1717
1718                 if (!$contents) {
1719                         return array("code" => 5, "message" => $fetch_last_error);
1720                 }
1721
1722                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SUBSCRIBE_FEED) as $plugin) {
1723                         $contents = $plugin->hook_subscribe_feed($contents, $url, $auth_login, $auth_pass);
1724                 }
1725
1726                 if (is_html($contents)) {
1727                         $feedUrls = get_feeds_from_html($url, $contents);
1728
1729                         if (count($feedUrls) == 0) {
1730                                 return array("code" => 3);
1731                         } else if (count($feedUrls) > 1) {
1732                                 return array("code" => 4, "feeds" => $feedUrls);
1733                         }
1734                         //use feed url as new URL
1735                         $url = key($feedUrls);
1736                 }
1737
1738                 if ($cat_id == "0" || !$cat_id) {
1739                         $cat_qpart = "NULL";
1740                 } else {
1741                         $cat_qpart = "'$cat_id'";
1742                 }
1743
1744                 $result = db_query(
1745                         "SELECT id FROM ttrss_feeds
1746                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1747
1748                 if (strlen(FEED_CRYPT_KEY) > 0) {
1749                         require_once "crypt.php";
1750                         $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1751                         $auth_pass_encrypted = 'true';
1752                 } else {
1753                         $auth_pass_encrypted = 'false';
1754                 }
1755
1756                 $auth_pass = db_escape_string($auth_pass);
1757
1758                 if (db_num_rows($result) == 0) {
1759                         $result = db_query(
1760                                 "INSERT INTO ttrss_feeds
1761                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1762                                 VALUES ('".$_SESSION["uid"]."', '$url',
1763                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1764
1765                         $result = db_query(
1766                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1767                                         AND owner_uid = " . $_SESSION["uid"]);
1768
1769                         $feed_id = db_fetch_result($result, 0, "id");
1770
1771                         if ($feed_id) {
1772                                 set_basic_feed_info($feed_id);
1773                         }
1774
1775                         return array("code" => 1, "feed_id" => (int) $feed_id);
1776                 } else {
1777                         return array("code" => 0, "feed_id" => (int) db_fetch_result($result, 0, "id"));
1778                 }
1779         }
1780
1781         function print_feed_select($id, $default_id = "",
1782                 $attributes = "", $include_all_feeds = true,
1783                 $root_id = false, $nest_level = 0) {
1784
1785                 if (!$root_id) {
1786                         print "<select id=\"$id\" name=\"$id\" $attributes>";
1787                         if ($include_all_feeds) {
1788                                 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1789                                 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1790                         }
1791                 }
1792
1793                 if (get_pref('ENABLE_FEED_CATS')) {
1794
1795                         if ($root_id)
1796                                 $parent_qpart = "parent_cat = '$root_id'";
1797                         else
1798                                 $parent_qpart = "parent_cat IS NULL";
1799
1800                         $result = db_query("SELECT id,title,
1801                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1802                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1803                                 FROM ttrss_feed_categories
1804                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1805
1806                         while ($line = db_fetch_assoc($result)) {
1807
1808                                 for ($i = 0; $i < $nest_level; $i++)
1809                                         $line["title"] = " - " . $line["title"];
1810
1811                                 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1812
1813                                 printf("<option $is_selected value='CAT:%d'>%s</option>",
1814                                         $line["id"], htmlspecialchars($line["title"]));
1815
1816                                 if ($line["num_children"] > 0)
1817                                         print_feed_select($id, $default_id, $attributes,
1818                                                 $include_all_feeds, $line["id"], $nest_level+1);
1819
1820                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1821                                         WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1822
1823                                 while ($fline = db_fetch_assoc($feed_result)) {
1824                                         $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1825
1826                                         $fline["title"] = " + " . $fline["title"];
1827
1828                                         for ($i = 0; $i < $nest_level; $i++)
1829                                                 $fline["title"] = " - " . $fline["title"];
1830
1831                                         printf("<option $is_selected value='%d'>%s</option>",
1832                                                 $fline["id"], htmlspecialchars($fline["title"]));
1833                                 }
1834                         }
1835
1836                         if (!$root_id) {
1837                                 $default_is_cat = ($default_id == "CAT:0");
1838                                 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1839
1840                                 printf("<option $is_selected value='CAT:0'>%s</option>",
1841                                         __("Uncategorized"));
1842
1843                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1844                                         WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1845
1846                                 while ($fline = db_fetch_assoc($feed_result)) {
1847                                         $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1848
1849                                         $fline["title"] = " + " . $fline["title"];
1850
1851                                         for ($i = 0; $i < $nest_level; $i++)
1852                                                 $fline["title"] = " - " . $fline["title"];
1853
1854                                         printf("<option $is_selected value='%d'>%s</option>",
1855                                                 $fline["id"], htmlspecialchars($fline["title"]));
1856                                 }
1857                         }
1858
1859                 } else {
1860                         $result = db_query("SELECT id,title FROM ttrss_feeds
1861                                 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1862
1863                         while ($line = db_fetch_assoc($result)) {
1864
1865                                 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1866
1867                                 printf("<option $is_selected value='%d'>%s</option>",
1868                                         $line["id"], htmlspecialchars($line["title"]));
1869                         }
1870                 }
1871
1872                 if (!$root_id) {
1873                         print "</select>";
1874                 }
1875         }
1876
1877         function print_feed_cat_select($id, $default_id,
1878                 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1879
1880                         if (!$root_id) {
1881                                         print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1882                         }
1883
1884                         if ($root_id)
1885                                 $parent_qpart = "parent_cat = '$root_id'";
1886                         else
1887                                 $parent_qpart = "parent_cat IS NULL";
1888
1889                         $result = db_query("SELECT id,title,
1890                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1891                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1892                                 FROM ttrss_feed_categories
1893                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1894
1895                         while ($line = db_fetch_assoc($result)) {
1896                                 if ($line["id"] == $default_id) {
1897                                         $is_selected = "selected=\"1\"";
1898                                 } else {
1899                                         $is_selected = "";
1900                                 }
1901
1902                                 for ($i = 0; $i < $nest_level; $i++)
1903                                         $line["title"] = " - " . $line["title"];
1904
1905                                 if ($line["title"])
1906                                         printf("<option $is_selected value='%d'>%s</option>",
1907                                                 $line["id"], htmlspecialchars($line["title"]));
1908
1909                                 if ($line["num_children"] > 0)
1910                                         print_feed_cat_select($id, $default_id, $attributes,
1911                                                 $include_all_cats, $line["id"], $nest_level+1);
1912                         }
1913
1914                         if (!$root_id) {
1915                                 if ($include_all_cats) {
1916                                         if (db_num_rows($result) > 0) {
1917                                                 print "<option disabled=\"1\">--------</option>";
1918                                         }
1919
1920                                         if ($default_id == 0) {
1921                                                 $is_selected = "selected=\"1\"";
1922                                         } else {
1923                                                 $is_selected = "";
1924                                         }
1925
1926                                         print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1927                                 }
1928                                 print "</select>";
1929                         }
1930                 }
1931
1932         function checkbox_to_sql_bool($val) {
1933                 return ($val == "on") ? "true" : "false";
1934         }
1935
1936         function getFeedCatTitle($id) {
1937                 if ($id == -1) {
1938                         return __("Special");
1939                 } else if ($id < LABEL_BASE_INDEX) {
1940                         return __("Labels");
1941                 } else if ($id > 0) {
1942                         $result = db_query("SELECT ttrss_feed_categories.title
1943                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1944                                         cat_id = ttrss_feed_categories.id");
1945                         if (db_num_rows($result) == 1) {
1946                                 return db_fetch_result($result, 0, "title");
1947                         } else {
1948                                 return __("Uncategorized");
1949                         }
1950                 } else {
1951                         return "getFeedCatTitle($id) failed";
1952                 }
1953
1954         }
1955
1956         function getFeedIcon($id) {
1957                 switch ($id) {
1958                 case 0:
1959                         return "images/archive.png";
1960                         break;
1961                 case -1:
1962                         return "images/star.png";
1963                         break;
1964                 case -2:
1965                         return "images/feed.png";
1966                         break;
1967                 case -3:
1968                         return "images/fresh.png";
1969                         break;
1970                 case -4:
1971                         return "images/folder.png";
1972                         break;
1973                 case -6:
1974                         return "images/time.png";
1975                         break;
1976                 default:
1977                         if ($id < LABEL_BASE_INDEX) {
1978                                 return "images/label.png";
1979                         } else {
1980                                 if (file_exists(ICONS_DIR . "/$id.ico"))
1981                                         return ICONS_URL . "/$id.ico";
1982                         }
1983                         break;
1984                 }
1985
1986                 return false;
1987         }
1988
1989         function getFeedTitle($id, $cat = false) {
1990                 if ($cat) {
1991                         return getCategoryTitle($id);
1992                 } else if ($id == -1) {
1993                         return __("Starred articles");
1994                 } else if ($id == -2) {
1995                         return __("Published articles");
1996                 } else if ($id == -3) {
1997                         return __("Fresh articles");
1998                 } else if ($id == -4) {
1999                         return __("All articles");
2000                 } else if ($id === 0 || $id === "0") {
2001                         return __("Archived articles");
2002                 } else if ($id == -6) {
2003                         return __("Recently read");
2004                 } else if ($id < LABEL_BASE_INDEX) {
2005                         $label_id = feed_to_label_id($id);
2006                         $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
2007                         if (db_num_rows($result) == 1) {
2008                                 return db_fetch_result($result, 0, "caption");
2009                         } else {
2010                                 return "Unknown label ($label_id)";
2011                         }
2012
2013                 } else if (is_numeric($id) && $id > 0) {
2014                         $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
2015                         if (db_num_rows($result) == 1) {
2016                                 return db_fetch_result($result, 0, "title");
2017                         } else {
2018                                 return "Unknown feed ($id)";
2019                         }
2020                 } else {
2021                         return $id;
2022                 }
2023         }
2024
2025         function uniqid_short() {
2026                 return uniqid(base_convert(rand(), 10, 36));
2027         }
2028
2029         // TODO: less dumb splitting
2030         require_once "functions2.php";
2031
2032 ?>